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In spite of the low temperatures in parts of the United States last month, 2018 experienced globally the third warmest April in 138 years of modern record-keeping, according to a monthly analysis of global temperatures by scientists at NASA's Goddard Institute for Space Studies (GISS) in New York

Visit NASA NEO's Global Temperature Anomaly to observe values for months or years. These maps — developed by NASA’s Goddard Institute for Space Studies (GISS) — depict how much various regions of the world have warmed or cooled when compared with a base period of 1951-1980.

Whether or not you are an elementary, middle, or high school science teacher, we bet that you observe and investigate air temperatures or (their effects) with your students. Changing air temperatures are cyclical and predictable, but also are rising beyond the normal range due to a variety of fa